Fasteners for protecting exposed screw threads while giving a neat, finished look to assemblies. The Lyeteung Stainless Steel Acorn Cap Nuts combine 304 stainless durability with a 46-piece M3–M12 assortment, useful in workshops, marine settings and light industry. Are these caps the sensible choice for DIYers and professionals who need reliable finishing hardware?
⚡ At a Glance
- • Corrosion Resistance: 304 stainless steel construction, waterproof, rustproof and corrosion-resistant
- • Best for: DIYers, makers and maintenance teams needing durable finishing fasteners
- • Not ideal for: Situations requiring integrated electrical insulation or non-metallic caps
Made from 304 stainless steel and supplied as a 46-piece M3–M12 assortment. Domed heads protect exposed threads and can be tightened or removed using a socket or torque wrench.
Thread protection and tidy finish - with domed head design
The domed head encloses exposed screw threads and, when tightened, provides a good sealing property around the thread. Socket and torque wrenches are sufficient to apply the required torque for a secure fit.
Guards threads from damage and contamination while offering a neat, decorative finish on assemblies.
Long-term corrosion resistance - thanks to 304 stainless steel
304 stainless steel is described as waterproof, rustproof and corrosion-resistant, suitable for use in marine power facilities, petrochemical and outdoor environments listed in the description.
Reduces corrosion-related maintenance and keeps fittings looking solid and serviceable in damp or corrosive conditions.
Versatile kit for repairs and prototyping - with a 46-piece M3–M12 assortment
The package includes acorn nuts in sizes M3, M4, M5, M6, M8, M10 and M12, giving a broad range of common diameters for screws and rods.
Keeps a variety of sizes on hand for robots, 3D printing equipment, communication gear and general DIY, cutting trips to the hardware store.
✨ The 4 Key Reasons for Lyeteung Stainless Steel Acorn Cap Nuts
- Complete size range – Covers M3–M12 sizes for common repair and DIY tasks
- Dome head protection – Guards exposed threads while delivering a neat finish
- Strong threading – Robust threads secure joins for structural and mechanical use
- Easy to tighten and remove – Use a socket or torque wrench for quick installation
📋 Technical Details at a Glance
- Category: Fasteners / Acorn cap nuts
- Material: 304 stainless steel
- Package contents: 46 PCS acorn nuts
- Sizes included: M3, M4, M5, M6, M8, M10, M12
- Head type: Domed (acorn) head
❓ Frequently Asked Questions
Q: Are these nuts suitable for outdoor or marine use?
A: Yes. The description states they are made of 304 stainless steel and are waterproof, rustproof and corrosion-resistant, with marine power facilities listed among intended applications.
Q: What sizes come in the kit?
A: The package includes 46 pieces across sizes M3, M4, M5, M6, M8, M10 and M12.
Q: How are the nuts installed and removed?
A: Installation is by screwing the acorn nut onto a screw, rod or threaded element; a torque wrench or socket wrench is sufficient to tighten them, and they can be dismantled and reused at any time.
🏆 Our Verdict
Best suited for DIYers, makers and maintenance teams who need corrosion-resistant finishing fasteners. A 304 stainless construction combined with domed heads and a broad M3–M12 assortment delivers thread protection, neat aesthetics and applicability across workshop and industrial uses. Given durable materials and wide size coverage, expect strong long-term value for regular users.
